/**
 * Copyright (c) 2016-2019 人人开源 All rights reserved.
 * <p>
 * https://www.renren.io
 * <p>
 * 版权所有，侵权必究！
 */

package io.renren.modules.sys.service.impl;

import io.renren.common.utils.Constant;
import io.renren.modules.sys.dao.SysMenuDao;
import io.renren.modules.sys.dao.SysUserDao;
import io.renren.modules.sys.dao.SysUserTokenDao;
import io.renren.modules.sys.entity.SysMenuEntity;
import io.renren.modules.sys.entity.SysUserEntity;
import io.renren.modules.sys.entity.SysUserTokenEntity;
import io.renren.modules.sys.service.ShiroService;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.*;

@Service
public class ShiroServiceImpl implements ShiroService {
  @Autowired
  private SysMenuDao sysMenuDao;
  @Autowired
  private SysUserDao sysUserDao;
  @Autowired
  private SysUserTokenDao sysUserTokenDao;

  @Override
  public Set<String> getUserPermissions(long userId) {
    List<String> permsList;

    //系统管理员，拥有最高权限
    if (userId == Constant.SUPER_ADMIN) {
      List<SysMenuEntity> menuList = sysMenuDao.selectList(null);
      permsList = new ArrayList<>(menuList.size());
      for (SysMenuEntity menu : menuList) {
        permsList.add(menu.getPerms());
      }
    } else {
      permsList = sysUserDao.queryAllPerms(userId);
    }
    //用户权限列表
    Set<String> permsSet = new HashSet<>();
    for (String perms : permsList) {
      if (StringUtils.isBlank(perms)) {
        continue;
      }
      permsSet.addAll(Arrays.asList(perms.trim().split(",")));
    }
    return permsSet;
  }

  @Override
  public SysUserTokenEntity queryByToken(String token) {
    return sysUserTokenDao.queryByToken(token);
  }

  @Override
  public SysUserEntity queryUser(Long userId) {
    return sysUserDao.selectById(userId);
  }
}
